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[122/906] better implementation of gst_gl_display_set_window_id for win32. (change the window of the current wglcontext instead of reinit everything, and so avoid some problems about opengl objects that could be init in the previous wglcontext and so no usable in the newer wglcontext, it what the case for the first texture) This newer implementation has not been made yet on linux

Browse source 
git-svn-id: svn://svn.wobow.com/GStreamer_playground/gst-plugins-gl@582 93df14bb-0f41-7a43-8087-d3e2a2f0e464
This commit is contained in:
Julien Isorce 2008-07-12 13:24:30 +00:00 committed by Matthew Waters
parent f2ea87e951
commit bfd8d294b4
1 changed files with 20 additions and 10 deletions
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30
gst-libs/gst/gl/gstgldisplay.c
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@ -86,7 +86,7 @@ static void gst_gl_display_thread_do_download_draw (GstGLDisplay* display);
static GHashTable* gst_gl_display_map = NULL;
//all glut functions and opengl primitives are called in this thread
static GThread* gst_gl_display_glutThread = NULL;
static GThread* gst_gl_display_gl_thread = NULL;
//-timepoped by glutIdleFunc
static GAsyncQueue* gst_gl_display_messageQueue = NULL;
@ -437,12 +437,13 @@ gst_gl_display_finalize (GObject* object)
if (display->use_fbo_stuff)
display->use_fbo_stuff = NULL;
//at this step, the next condition imply that the last display has been pushed
//at this step, the next condition implies that
//the last display has been removed
if (g_hash_table_size (gst_gl_display_map) == 0)
{
g_thread_join (gst_gl_display_glutThread);
g_thread_join (gst_gl_display_gl_thread);
g_print ("gl thread joined\n");
gst_gl_display_glutThread = NULL;
gst_gl_display_gl_thread = NULL;
g_async_queue_unref (gst_gl_display_messageQueue);
g_hash_table_unref (gst_gl_display_map);
gst_gl_display_map = NULL;
@ -468,6 +469,7 @@ gst_gl_display_thread_func (GstGLDisplay *display)
//Should be pass through a glimagesink property
glutInit(&argc, &argv);
glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_CONTINUE_EXECUTION);
//glutSetOption(GLUT_RENDERING_CONTEXT, GLUT_USE_CURRENT_CONTEXT);
glutIdleFunc (gst_gl_display_thread_loop);
@ -1683,7 +1685,7 @@ gst_gl_display_create_context (GstGLDisplay *display,
{
gst_gl_display_messageQueue = g_async_queue_new ();
gst_gl_display_map = g_hash_table_new (g_direct_hash, g_direct_equal);
gst_gl_display_glutThread = g_thread_create (
gst_gl_display_gl_thread = g_thread_create (
(GThreadFunc) gst_gl_display_thread_func, display, TRUE, NULL);
g_cond_wait (display->cond_create_context, display->mutex);
}
@ -1926,19 +1928,26 @@ gst_gl_display_set_window_id (GstGLDisplay* display, gulong winId)
{
static gint y_pos = 0;
#if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW32__)
gst_gl_display_lock (display);
display->winId = winId;
gst_gl_display_post_message (GST_GL_DISPLAY_ACTION_CHANGE_CONTEXT, display);
g_cond_wait (display->cond_change_context, display->mutex);
gst_gl_display_unlock (display);
#else
gst_gl_display_lock (display);
//display->winId = winId;
//gst_gl_display_post_message (GST_GL_DISPLAY_ACTION_CHANGE_CONTEXT, display);
gst_gl_display_post_message (GST_GL_DISPLAY_ACTION_DESTROY_CONTEXT, display);
//g_cond_wait (display->cond_change_context, display->mutex);
g_cond_wait (display->cond_destroy_context, display->mutex);
gst_gl_display_unlock (display);
if (g_hash_table_size (gst_gl_display_map) == 0)
{
g_thread_join (gst_gl_display_glutThread);
g_thread_join (gst_gl_display_gl_thread);
g_print ("gl thread joined when setting winId\n");
gst_gl_display_glutThread = NULL;
gst_gl_display_gl_thread = NULL;
g_async_queue_unref (gst_gl_display_messageQueue);
g_hash_table_unref (gst_gl_display_map);
gst_gl_display_map = NULL;
@ -1954,6 +1963,7 @@ gst_gl_display_set_window_id (GstGLDisplay* display, gulong winId)
//init colorspace conversion if needed
gst_gl_display_init_upload (display, display->upload_video_format,
display->upload_width, display->upload_height);
#endif
}